Home / 90,926.73-136,411.56-28,597.23

Finding the Fourth Proportional to 90,926.73, 136,411.56 and 28,597.23

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Solution

The fourth proportional to 90,926.73, 136,411.56 and 28,597.23 is: 42,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,926.73 : 136,411.56 = 28,597.23 : x
  2. Step 2: Convert to fraction form
    90,926.73/136,411.56 = 28,597.23/x
  3. Step 3: Cross multiply
    90,926.73x = 136,411.56 × 28,597.23
  4. Step 4: Simplify right side
    90,926.73x = 3,900,992,755.98
  5. Step 5: Solve for x
    x = 3,900,992,755.98/90,926.73
  6. Step 6: Final answer
    x = 42,902.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.